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公开(公告)号：US12086332B2
公开(公告)日：2024-09-10
申请号：US18091534
申请日：2022-12-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim
IPC: G06F3/0354 , G06F3/042
CPC classification number: G06F3/03545 , G06F3/042
Abstract: A position input device includes: a communication circuit receiving slope angle information of a display panel; a code detector detecting a pattern shape image of position code patterns of the display panel by emitting infrared light to the display panel and receiving infrared light reflected from the display panel; a light emitting driver controlling an infrared light emitting operation of the code detector; a slope detector detecting slope angle information of the position input device; and a code processor modulating infrared light emitting characteristics of the code detector or modulating pattern shape image data in response to an arrangement angle information between the display panel and the position input device.
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公开(公告)号：US11709555B2
公开(公告)日：2023-07-25
申请号：US17715464
申请日：2022-04-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Sang Park , Ju Yeon Kim , Chang Min Park , Chang Woo Shim , Gi Na Yoo , Seong Jun Lee
IPC: G06F3/0354 , G06F3/041 , G06F3/038
CPC classification number: G06F3/03542 , G06F3/0383 , G06F3/041
Abstract: A smart pen including: a body part; a nib part at an end of the body part; a code detection unit for receiving light reflected from a display panel and the nib part, wherein the light reflected from the display panel and the nib part is used to detect shape data for code patterns of the display panel; and a code processor for generating coordinate data based on the shape data and transmitting the coordinate data to a main processor for driving the display panel based on the coordinate data.
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公开(公告)号：US12093477B2
公开(公告)日：2024-09-17
申请号：US17652794
申请日：2022-02-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chang Woo Shim , Won Sang Park , Gi Na Yoo , Seong Jun Lee
IPC: G06F3/041 , G06F3/03 , G06F3/0354 , G06F3/044 , H10K50/86 , H10K59/126 , H10K59/40 , H10K59/38
CPC classification number: G06F3/0412 , G06F3/0321 , G06F3/03542 , G06F3/04162 , G06F3/0446 , H10K50/865 , H10K59/126 , H10K59/40 , G06F2203/04111 , H10K59/38
Abstract: A display panel includes a plurality of emission areas emitting light and a light blocking area at least partially surrounding the plurality of emission areas, a plurality of touch electrodes disposed in the light blocking area on the display panel to sense a touch, a wavelength absorption layer disposed on the plurality of touch electrodes to absorb light of a specific wavelength, a bridge electrode disposed on the wavelength absorption layer to connect adjacent touch electrodes among the plurality of touch electrodes to each other, and a code pattern having position information determined by a planar shape of the bridge electrode.
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公开(公告)号：US11887524B2
公开(公告)日：2024-01-30
申请号：US17833080
申请日：2022-06-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo
CPC classification number: G09G3/2007 , G06F3/013 , G09G2320/0242 , G09G2320/043 , G09G2354/00
Abstract: A driving method of a display device includes receiving a deterioration amount for a target pixel, calculating a first compensation amount for the target pixel based on the deterioration amount for the target pixel, receiving a gaze angle of a user with respect to the target pixel, selecting one of the first compensation amount and a second compensation amount based on the gaze angle, and calculating an output grayscale for the target pixel by applying the one of the first compensation amount and the second compensation amount to an input grayscale of the target pixel, where the second compensation amount is calculated based on the gaze angle, and the first compensation amount is calculated regardless of the gaze angle.
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公开(公告)号：US11861116B2
公开(公告)日：2024-01-02
申请号：US17823114
申请日：2022-08-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee
CPC classification number: G06F3/0441 , G06F3/0446 , H10K50/865 , H10K59/38 , H10K59/40 , G06F2203/04112
Abstract: A display device includes a display unit including a plurality of emission areas, a plurality of touch electrodes that sense a touch, a plurality of code patterns that cover a part of a front surface of at least one of the plurality of touch electrodes, and a plurality of light-blocking dummy patterns formed on some of the plurality of touch electrodes on which the plurality of code patterns is not formed. Each of the touch electrodes includes at least one portion disposed between adjacent emission areas among the plurality of emission areas. A thickness of the plurality of code patterns is different from a thickness of the light-blocking dummy patterns, and a light-blocking rate of the plurality of code patterns is different from a light-blocking rate of the light-blocking dummy patterns.
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Patent Agency Ranking
公开(公告)号：US11755155B2
公开(公告)日：2023-09-12
申请号：US17821202
申请日：2022-08-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee
CPC classification number: G06F3/0441 , G06F3/0446 , H10K50/865 , H10K59/38 , H10K59/40 , G06F2203/04112
Abstract: A display device and a touch input system are provided, the display device comprising a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch input; at least one light shielding pattern formed by covering at least a portion of a front surface of at least one of the plurality of touch electrodes; and one of a first set of color filters comprising first to third colors or a second set of color filters comprising first to fourth colors, which are alternately disposed in the plurality of light emission areas, wherein the color filters of one of the first or second set of color filters are used as code patterns by including an infrared absorbing pigment.
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公开(公告)号：US12105920B2
公开(公告)日：2024-10-01
申请号：US17884877
申请日：2022-08-10
Applicant: Samsung Display Co., Ltd.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee
CPC classification number: G06F3/0446 , G06F3/0412 , G06F3/0441 , G06F3/0442 , H10K50/865 , H10K59/40 , H10K59/88 , G06F2203/04112
Abstract: The present disclosure relates to a display device capable of performing a touch input by a touch input device, and a touch input system including the same. According to an embodiment of the disclosure, a display device comprising a display unit comprising a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of code patterns formed by covering a part of a front surface of at least one of the plurality of touch electrodes with a predetermined code shape, and a plurality of light-blocking patterns formed on at least one of the plurality of touch electrodes on which the plurality of code patterns is not formed, to block light, wherein the plurality of light-blocking patterns is formed by covering at least one of a front surface and side surfaces of the at least one touch electrode with a predetermined pattern shape.
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公开(公告)号：US11989602B2
公开(公告)日：2024-05-21
申请号：US17687955
申请日：2022-03-07
Applicant: Samsung Display Co., Ltd.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee
IPC: G06K19/06 , G06K19/077 , G09G3/3291 , H10K59/38 , H10K59/40 , H10K59/65
CPC classification number: G06K19/06112 , G06K19/0614 , G06K19/07707 , G09G3/3291 , H10K59/38 , H10K59/40 , H10K59/65
Abstract: A display device is disclosed that includes a plurality of pixels and a plurality of code pixels. The pixels include light-emitting elements, which display an image. The code pixels are disposed in the same layer as the pixels and are adjacent to a reference point disposed between the pixels. The code pixels include infrared light-emitting elements, which emit infrared light. At least one of the code pixels, disposed in a particular direction from the reference point, emit the infrared light to provide a code pattern having position information.
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公开(公告)号：US11847285B2
公开(公告)日：2023-12-19
申请号：US18056370
申请日：2022-11-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee
CPC classification number: G06F3/0446 , G06F3/0412 , G06F3/0448 , G06F2203/04112 , H10K59/12
Abstract: A display device includes a pixel having a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of position code patterns covering a partial front surface of at least one of the plurality of touch electrodes in a preset code shape, and a light blocking pattern disposed on front surfaces of the plurality of touch electrodes on which the plurality of position code patterns are not formed. A width or size of the plurality of position code patterns is greater than a width or size of the light blocking pattern.
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公开(公告)号：US11816274B2
公开(公告)日：2023-11-14
申请号：US17937885
申请日：2022-10-04
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gi Na Yoo , Ju Yeon Kim , Won Sang Park , Chang Woo Shim , Seong Jun Lee , Dong Hee Choi
IPC: G06F3/03 , G06F3/041 , G06F3/0354 , G06F3/038 , G06F3/044
CPC classification number: G06F3/0317 , G06F3/0383 , G06F3/03542 , G06F3/0412 , G06F3/0446
Abstract: The present disclosure relates to a display device, a touch input device, and a touch input system, where the display device comprises: a display unit including a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and configured to sense a touch; a plurality of grid patterns separated from the plurality of touch electrodes in a preset shape or formed integrally with the plurality of touch electrodes; and a plurality of code patterns formed in a preset code shape in some areas of a front surface corresponding to the plurality of touch electrodes, wherein the plurality of grid patterns comprise grid reference points of intersecting grid reference lines, and are respectively formed at positions corresponding to the grid reference points.
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